What does the cryptic crossword clue "Clumsily lost Ed Sheeran CD, showing no emotion (4-11)" mean?

The definition is "showing no emotion". The wordplay uses an anagram. anagram of LOST ED SHEERAN CD = COLDHEARTEDNESS The answer is COLDHEARTEDNESS.

Clumsily lost Ed Sheeran CD, showing no emotion (4-11)

Guardian Cryptic #29395 | 16 Across | 2024-05-29 flower